Cat scratcher



FIG. 1 is a top, front and left side perspective view showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof; and,

FIG. 4 is a bottom plan view thereof.

The right side and rear views are not shown and are not claimed.

The broken lines depict environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a cat scratcher, as shown and described. 